Rifle stock



FIG. 1 is a right side view of a rifle stock showing my new design;

FIG. 2 is a left side view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a front view;

FIG. 7 is a perspective view; and,

FIG. 8 is an environmental view showing a user holding a rifle.

The dotted lines shown in FIG. 8 are for environmental purposes and form no part of the claimed design. 

CLAIM The ornamental design for a rifle stock, as shown and described. 